## MCQ Questions for Class 6 Maths: Ch 4 Basic Geometrical Ideas

1. What is a set of points which extend infinitely in both directions called?

(a) A line

(b) A plane

(c) A line segment

(d) A point

► (a) A line

2. A __________ of a circle is a line segment joining any two points on the circle.

(a) chord

(b) diameter

(c) radius

(d) None of these

► (a) chord

3. Angle which is less than 360° and larger than 180° is classified as

(a) acute angle

(b) obtuse angle

(c) reflex angle

(d) right angle

► (c) reflex angle

4. What is a set of points extending infinitely in all directions on the same flat surface called?

(a) A line

(b) A plane

(c) Ray

(d) A point

► (b) A plane

5. Any line segment can be formed by joining

(a) two points

(b) three points

(c) four points

(d) more than three points

► (a) two points

6. Angle which is less than 90° is called

(a) reflex angle

(b) obtuse angle

(c) acute angle

(d) right angle

► (c) acute angle

7. Two distinct lines meeting at a points are called _____________.

(a) intersecting lines

(b) parallel lines

(c) collinear lines

(d) None of these

► (a) intersecting lines

8. Angle which is equal to 90° is classified as

(a) right angle

(b) obtuse angle

(c) acute angle

(d) reflex angle

► (a) right angle

9. Flat surface in which two points are joined by using straight line is classified as

(a) line

(b) plane

(c) ray

(d) intersecting line

► (b) plane

10. Out of following options, two angles that are together classified as complementary angles are

(a) 120° and 60°

(b) 50° and 30°

(c) 65° and 25°

(d) 70° and 30°

► (c) 65° and 25°

11. A flat surface which extends indefinitely in all directions is called ___________ .

(a) plane

(b) lines

(c) point

(d) line segment

► (a) plane

12. What is the number of end points of a line?

(a) Zero

(b) Two

(c) One

(d) Three

► (a) Zero

13. An angle is made up of two ________ starting from common end point.

(a) rays

(b) vertices

(c) lines

(d) points

► (a) rays

14. Three or more points lying on the same line are known as ___________ points.

(a) collinear

(b) intersecting

(c) non-collinear

(d) None of these

► (a) collinear

15. If two angles are said to be supplementary angles and one of angle is of 122° then other angle is of

(a) 35°

(b) 32°

(c) 60°

(d) 58°

► (d) 58°

16. If two lines intersects each other then the common point between them is known as point of _________.

(a) concurrence

(b) intersection

(c) vertex

(d) contact

► (b) intersection

17. Out of following, one angle which is obtuse is

(a) 11/21 of a right angle

(b) 8/20 of a complete rotation

(c) 11/21 of a complete rotation

(d) 8/20 of a right angle

► (b) 8/20 of a complete rotation

18. How many lines pass through two given points?

(a) one

(b) two

(c) three

(d) many

► (a) one

19. What are used to represent points?

(a) Numerals.

(b) Capital letters of alphabet.

(c) Lower case letters of alphabet.

(d) All of the above

► (b) Capital letters of alphabet.

20. Two lines meeting at a point are called ___________ .

(a) intersecting lines

(b) concurrent lines

(c) parallel line

(d) None of these

► (a) intersecting lines

21. How many lines pass through one given point?

(a) Three

(b) One

(c) Count less

(d) Two

► (c) Count less

22. Which instrument is used to compare two line segments?

(a) Compasses

(b) A divider

(c) Set squares

(d) A protractor

► (b) A divider